Sponges belong to which one among the following phylum?

  1. A. Porifera
  2. B. Platyhelminthes
  3. C. Cnidarin
  4. D. Annelida

Correct Answer: A. Porifera

Explanation

Sponges are multicellular organisms categorized under the phylum Porifera, characterized by pores (ostia) that allow water to circulate through them.

Related questions on Biology

Practice more CDS General Knowledge questions